/* Paleta y tipografía del manual de marca Sublime Energy Services S.L. */
:root {
  --primary: #084BBC;      /* Azul principal — confianza */
  --primary-dark: #063a93;
  --green: #2FEA48;        /* Verde — sostenibilidad */
  --green-dark: #1fa834;
  --yellow: #FFCF07;       /* Amarillo solar — energía / CTA */
  --yellow-dark: #f0bd00;
  --orange: #FF7A00;       /* Naranja — dinamismo */
  --navy: #162938;         /* Azul oscuro — elegancia */
  --light: #F5F7FA;        /* Gris claro — fondos */
  --white: #FFFFFF;
  --text: #162938;
  --muted: #5d6b7a;
  --border: #e1e7ef;
  --shadow: 0 18px 50px rgba(22, 41, 56, .12);
  --radius: 14px;
  --max-width: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: Poppins, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.2; }

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.icon {
  width: 1em;
  height: 1em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Botones ---------- */
.cta-button, .ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 13px 26px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.cta-button {
  border: 0;
  background: var(--yellow);
  color: var(--navy);
  box-shadow: 0 8px 22px rgba(255, 207, 7, .35);
}
.cta-button:hover {
  background: var(--yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 207, 7, .45);
}
.ghost-button {
  border: 1.5px solid rgba(255,255,255,.85);
  background: transparent;
  color: var(--white);
}
.ghost-button:hover { background: rgba(255,255,255,.12); }

/* ---------- Cabecera ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand-logo {
  width: 200px;
  height: 64px;
  object-fit: contain;
  object-position: left center;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
  font-weight: 500;
}
.nav-links a {
  position: relative;
  padding-block: 28px;
  color: var(--navy);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform .2s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.header-cta { padding: 11px 22px; font-size: 14px; }
.menu-button {
  display: none;
  border: 0;
  background: transparent;
  color: var(--navy);
  font-size: 28px;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(8,30,70,.96) 0%, rgba(8,55,140,.86) 34%, rgba(8,75,188,.35) 62%, rgba(8,75,188,0) 80%),
    url('images/hero-house.jpg') right center / cover no-repeat,
    var(--navy);
}
.hero-inner {
  min-height: 560px;
  display: flex;
  align-items: center;
}
.hero-content {
  max-width: 560px;
  padding: 64px 0 120px;
}
.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(40px, 5vw, 62px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.08;
}
.hero-copy {
  margin: 0;
  font-size: 18px;
  color: rgba(255,255,255,.88);
}
.hero-services {
  display: flex;
  gap: 28px;
  margin: 30px 0 34px;
  padding: 0;
  list-style: none;
}
.hero-services li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
  line-height: 1.3;
}
.hero-services .icon { font-size: 34px; stroke-width: 1.4; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-wave {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 90px;
}

/* ---------- Secciones ---------- */
.section { padding: 80px 0; }
.section-alt { background: var(--light); }
.section-header { max-width: 680px; margin-bottom: 40px; }
.section-header h2 {
  margin: 8px 0 10px;
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  color: var(--navy);
}
.section-header p { margin: 0; color: var(--muted); }
.eyebrow {
  display: inline-block;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 3px;
  margin-right: 10px;
  vertical-align: middle;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--yellow), var(--green), var(--primary));
}
.eyebrow-light { color: var(--yellow); }

.icon-circle {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #e8effb;
  color: var(--primary);
  font-size: 30px;
}

/* Servicios */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}
.service-card {
  display: flex;
  flex-direction: column;
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: transparent;
  box-shadow: var(--shadow);
}
.service-card h3 { margin: 20px 0 8px; font-size: 18px; font-weight: 600; }
.service-card p { flex: 1; margin: 0 0 18px; color: var(--muted); font-size: 14px; }
.learn-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
}
.learn-more:hover .icon { transform: translateX(3px); }
.learn-more .icon { transition: transform .2s ease; }

/* Mensajes clave */
.messages {
  padding: 34px 0;
  background: linear-gradient(110deg, var(--navy), #0c3a7a);
  color: var(--white);
}
.message-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.message {
  display: flex;
  align-items: center;
  gap: 16px;
}
.message .icon { font-size: 36px; color: var(--green); stroke-width: 1.5; }
.message p { margin: 0; font-weight: 600; font-size: 15px; line-height: 1.35; }

/* Proyectos */
.project-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.project {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  background: var(--light);
}
.project img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.project:hover img { transform: scale(1.05); }
.project figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 30px 16px 14px;
  background: linear-gradient(transparent, rgba(22,41,56,.85));
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
}

/* Sobre nosotros */
.about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 56px; align-items: center; }
.about .section-header { margin-bottom: 0; }
.values { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; }
.values li {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 20px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 4px 14px rgba(22,41,56,.05);
}
.values .icon { font-size: 32px; color: var(--orange); stroke-width: 1.5; }
.values li:nth-child(4) .icon { color: var(--green-dark); }
.values li:nth-child(5) .icon { color: var(--primary); }
.values h3 { margin: 0; font-size: 16px; font-weight: 600; }
.values p { margin: 0; color: var(--muted); font-size: 14px; }

/* Presupuesto */
.quote-section {
  position: relative;
  background:
    radial-gradient(circle at 10% 110%, rgba(47,234,72,.25), transparent 40%),
    linear-gradient(120deg, var(--primary), #0a2f73 70%, var(--navy));
  color: var(--white);
}
.quote-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 560px);
  gap: 60px;
  align-items: center;
}
.quote-intro h2 { margin: 10px 0 14px; font-size: clamp(28px, 3.4vw, 40px); font-weight: 700; }
.quote-intro p { margin: 0 0 24px; color: rgba(255,255,255,.85); font-size: 17px; }
.checklist { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.checklist li { display: flex; align-items: center; gap: 12px; font-weight: 500; }
.checklist li::before {
  content: "✓";
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--green);
  color: var(--navy);
  font-size: 14px;
  font-weight: 700;
}
.quote-card {
  padding: 32px;
  border-radius: 18px;
  background: var(--white);
  color: var(--text);
  box-shadow: 0 30px 60px rgba(0,0,0,.25);
}
.quote-card h2 { margin: 0; font-size: 24px; font-weight: 700; color: var(--navy); }
.quote-card > p { margin: 4px 0 20px; color: var(--muted); font-size: 14px; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.field-wide { grid-column: 1 / -1; }
.field label {
  display: block;
  margin: 0 0 5px 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid #d5dee9;
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
  outline: none;
  padding: 11px 13px;
  font-size: 14px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(8,75,188,.14);
}
.field textarea { min-height: 84px; resize: vertical; }
.submit-button { width: 100%; margin-top: 18px; }
.privacy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
}
.status-message {
  display: none;
  margin: 12px 0 0;
  border-radius: 8px;
  padding: 10px 12px;
  background: #e6fbe9;
  color: #157a26;
  font-size: 14px;
  font-weight: 500;
}

/* ---------- Pie de página ---------- */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,.8);
  font-size: 14px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 40px 0 28px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 48px; height: auto; border-radius: 10px; background: var(--white); padding: 4px; }
.footer-brand strong { display: block; color: var(--white); font-size: 22px; letter-spacing: 1px; line-height: 1; }
.footer-brand span { color: var(--green); font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.footer-tagline { margin: 0; font-size: 12px; letter-spacing: 3px; text-transform: uppercase; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-links a:hover { color: var(--yellow); }
.footer-copy {
  padding: 18px 0 26px;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: 13px;
  text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .nav-links { gap: 22px; }
  .service-grid, .project-grid, .message-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about, .quote-layout { grid-template-columns: 1fr; gap: 36px; }
  .quote-card { max-width: 680px; }
}

@media (max-width: 880px) {
  .nav { min-height: 70px; }
  .nav-links, .header-cta { display: none; }
  .menu-button { display: block; }
  .nav-links.open {
    display: flex;
    position: absolute;
    left: 0;
    right: 0;
    top: 70px;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 14px 25px rgba(0,0,0,.08);
  }
  .nav-links.open a { width: 100%; padding: 14px 25px; text-align: center; }
  .nav-links a::after { display: none; }
  .brand-logo { width: 170px; height: 54px; }
  .hero {
    background:
      linear-gradient(180deg, rgba(8,30,70,.92), rgba(8,55,140,.78)),
      url('images/hero-house.jpg') center / cover no-repeat,
      var(--navy);
  }
  .hero-inner { min-height: auto; }
  .hero-content { padding: 48px 0 110px; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--max-width)); }
  .section { padding: 56px 0; }
  .hero h1 { font-size: 38px; }
  .hero-copy { font-size: 16px; }
  .hero-services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .hero-actions { flex-direction: column; }
  .hero-actions button { width: 100%; }
  .service-grid, .project-grid, .message-grid, .form-grid { grid-template-columns: 1fr; }
  .quote-card { padding: 24px 18px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}